In terms of matter and resources, the Earth is essentially a(n) ________ system; In terms of energy, the Earth is a(n) ________ system.
A) closed; closed
B) closed; open
C) open; open
D) open; closed

Question

Quizplus · Accepted Answer

The Earth is a closed system in terms of matter because matter does not typically enter or leave the Earth in significant amounts. However, it is an open system in terms of energy because it receives energy from the sun and radiates energy back into space.

In Terms of Matter and Resources, the Earth Is Essentially